F. Nichele

Publications19
h-index11
Citations647
Highly Influential Citations8
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Scaling of Majorana Zero-Bias Conductance Peaks.
We report an experimental study of the scaling of zero-bias conductance peaks compatible with Majorana zero modes as a function of magnetic field, tunnel coupling, and temperature in one-dimensional… Expand
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Edge Transport in the Trivial Phase of InAs/GaSb
We present transport and scanning SQUID measurements on InAs/GaSb double quantum wells, a system predicted to be a two-dimensional topological insulator. Top and back gates allow independent control… Expand
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Quantized Conductance and Large g-Factor Anisotropy in InSb Quantum Point Contacts.
Because of a strong spin-orbit interaction and a large Landé g-factor, InSb plays an important role in research on Majorana fermions. To further explore novel properties of Majorana fermions, hybrid… Expand
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Giant Spin-Orbit Splitting in Inverted InAs/GaSb Double Quantum Wells.
Transport measurements in inverted InAs/GaSb quantum wells reveal a giant spin-orbit splitting of the energy bands close to the hybridization gap. The splitting results from the interplay of… Expand
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Zero-Energy Modes from Coalescing Andreev States in a Two-Dimensional Semiconductor-Superconductor Hybrid Platform.
We investigate zero-bias conductance peaks that arise from coalescing subgap Andreev states, consistent with emerging Majorana zero modes, in hybrid semiconductor-superconductor wires defined in a… Expand
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Quantized conductance doubling and hard gap in a two-dimensional semiconductor–superconductor heterostructure
Coupling a two-dimensional (2D) semiconductor heterostructure to a superconductor opens new research and technology opportunities, including fundamental problems in mesoscopic superconductivity,… Expand
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Hybridization of Subgap States in One-Dimensional Superconductor-Semiconductor Coulomb Islands.
We present measurements of one-dimensional superconductor-semiconductor Coulomb islands, fabricated by gate confinement of a two-dimensional InAs heterostructure with an epitaxial Al layer. When… Expand
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Superconducting, insulating and anomalous metallic regimes in a gated two-dimensional semiconductor–superconductor array
The superconductor–insulator transition in two dimensions has been widely investigated as a paradigmatic quantum phase transition. The topic remains controversial because many experiments exhibit a… Expand
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Decoupling Edge Versus Bulk Conductance in the Trivial Regime of an InAs/GaSb Double Quantum Well Using Corbino Ring Geometry.
A Corbino ring geometry is utilized to analyze edge and bulk conductance of InAs/GaSb quantum well structures. We show that edge conductance exists in the trivial regime of this theoretically… Expand
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Effects of spin-orbit coupling and spatial symmetries on the Josephson current in SNS junctions
We present an analysis of the symmetries of the interference pattern of critical currents through a two-dimensional superconductor-semiconductor-superconductor junction, taking into account Rashba… Expand
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